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Selective catheterization and angiogram of the capsular branch from the right renal artery (A) showing a small aneurysm in the superior aspect of the mass (black arrow). This vessel was super selectively catheterized (B) with a microcatheter. The angiogram shows the aneurysm more conspicuously (black circle). Coil embolization was performed using microcoils (C) with no flow in the postembolization images (black arrow).
